Home / 260,880,598.64-360,019,698.28-143,410,880

Finding the Fourth Proportional to 260,880,598.64, 360,019,698.28 and 143,410,880

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Solution

The fourth proportional to 260,880,598.64, 360,019,698.28 and 143,410,880 is: 197,909,472.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,880,598.64 : 360,019,698.28 = 143,410,880 : x
  2. Step 2: Convert to fraction form
    260,880,598.64/360,019,698.28 = 143,410,880/x
  3. Step 3: Cross multiply
    260,880,598.64x = 360,019,698.28 × 143,410,880
  4. Step 4: Simplify right side
    260,880,598.64x = 51,630,741,747,669,280
  5. Step 5: Solve for x
    x = 51,630,741,747,669,280/260,880,598.64
  6. Step 6: Final answer
    x = 197,909,472.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.